Related Experiment Video
Updated: Jul 6, 2026

Discovery and Synthesis Optimization of Isoreticular Al(III) Phosphonate-Based Metal-Organic Framework Compounds Using High-Throughput Methods
Published on: October 6, 2023
A new hybrid framework based on a 'superoctahedral' [V7O6F30](14-) polyanion
Thushitha Mahenthirarajah1, Philip Lightfoot
1EaStChem, School of Chemistry, University of St Andrews, St Andrews, Fife, UKKY16 9ST.
Researchers synthesized a unique hybrid framework solid using solvothermal methods. This novel material features a complex polyanion linked into a doubly interpenetrated cubic lattice.
Area of Science:
- Inorganic Chemistry
- Materials Science
- Crystallography
Background:
- Hybrid framework solids offer tunable properties for diverse applications.
- Vanadium-oxygen-fluoride clusters represent a class of complex inorganic anions.
- Metal-organic coordination is key to constructing extended solid-state structures.
Purpose of the Study:
- To synthesize and characterize a novel hybrid framework solid.
- To investigate the structural features of a new polyanion and its assembly into a lattice.
Main Methods:
- Solvothermal synthesis was employed for material preparation.
- Single-crystal X-ray diffraction was used for structural determination.
Main Results:
- Isolation of the hybrid framework solid [CH3NH3]8[Cu(Py)4]3[V7O6F30].
- Discovery of the novel [V7O6F30](14-) polyanion.
- Assembly of the polyanion via [Cu(py)4]2+ linkers into a doubly interpenetrated cubic lattice.
Conclusions:
- The study reports a new hybrid framework material with a unique structural motif.
- The findings expand the known structural diversity of vanadium-based polyanions and metal-organic frameworks.
Related Concept Videos
Crystal Field Theory - Octahedral Complexes
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...
Valence Bond Theory and Hybridized Orbitals
A σ bond (single bond in a Lewis structure) is a covalent bond in which the electron density is...
Ionic Crystal Structures
Most monatomic ions behave as charged spheres, and their attraction for ions of opposite charge is the same in every direction. Consequently, stable structures for ionic compounds result (1) when ions of one charge are surrounded by as many ions as possible of the opposite...
Hybridization of Atomic Orbitals II
Valence Bond Theory
Hybridization of Atomic Orbitals I

